package com.sky.controller.admin;

import com.sky.constant.MessageConstant;
import com.sky.result.Result;
import com.sky.utils.AliOssUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.UUID;

/**
 * 通用接口
 */

@RestController
@Slf4j
@Api(value = "通用接口")
@RequestMapping("/admin/common")
public class CommonController {

    @Autowired
    private AliOssUtil aliOssUtil;

    /**
     * 文件上传
     * @param file 文件
     * @return Result
     */
    @PostMapping("/upload")
    @ApiOperation(value = "文件上传")
    public Result<String> upload(MultipartFile file){
        log.info("文件上传:{}",file);
        try {
            //原始文件名
            String originalFilename = file.getOriginalFilename();
            //截去文件的后缀名
            String extension = originalFilename.substring(originalFilename.lastIndexOf("."));

            //获取当前年月作为文件夹路径
            String dir = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy/MM"));

            //UUID生成新的文件名
            String newFilename = dir + "/" + UUID.randomUUID() + extension;

            String filePath = aliOssUtil.upload(file.getBytes(), newFilename);

            return Result.success(filePath);
        } catch (IOException e) {
            log.error("文件上传失败{}", e);
        }

        return Result.error(MessageConstant.UPLOAD_FAILED);
    }

}
